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WorksheetsCHEM Test 3 (9th) 21-22
Total questions: 14
Worksheet time: 9mins
It is formed by a chemical combination of atoms
Compound
Mixture
Element
They do not have a fixed composition (ratio)
Element
Compound
Mixture
They are presented with a chemical formula
Element
Mixture
Compound
Constituents lose their identity and the new subtance have new properties
Compound
Mixture
Element
They have constituents that can be separated by physical methods
Mixture
Element
Compound
Soil is a
mixture
compound
element
NH3 is a
Element
Compound
Mixture
Air is a
element
mixture
compound
Gold is a
Element
Compound
Mixture
Coca Cola is a
Element
Compound
Mixture
Silicon is a
Element
Compound
Mixture
Gun Powder is a
Element
Mixture
Compound
In the molecule CH4, what is the fixed ratio?
4 hydrogen atoms/1 carbon atom
1 hydrogen atom/4 carbon atoms
4 hydrogen atoms/4 carbon atoms
Name a solid, a liquid and a gaseous element that exists at room temperature
